ideal protection against the cold on extra cold days. . the buff® polar is a multifunctional neckwarmer tube made from recycled polyester for all outdoor activities. particularly suitable for winter sports, the neckwarmer tube ensures maximum comfort thanks to excellent moisture management, a seamless construction and unrestricted stretch. the neckwarmer tube has a polygiene® treatment that prevents bacterial growth and unpleasant odours. indispensable is also the upf 50 protection against harmful uv radiation.for optimised sustainability, buff® uses only polyester microfibres derived from recycled plastic bottles, supplied and certified by repreve®.